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GB2075799B - Cellular mobile radiotelephone system with fleet-calling arrangement for dispatch service - Google Patents

Cellular mobile radiotelephone system with fleet-calling arrangement for dispatch service

Info

Publication number
GB2075799B
GB2075799B GB8112972A GB8112972A GB2075799B GB 2075799 B GB2075799 B GB 2075799B GB 8112972 A GB8112972 A GB 8112972A GB 8112972 A GB8112972 A GB 8112972A GB 2075799 B GB2075799 B GB 2075799B
Authority
GB
United Kingdom
Prior art keywords
fleet
cellular mobile
radiotelephone system
mobile radiotelephone
dispatch service
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8112972A
Other versions
GB2075799A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB2075799A publication Critical patent/GB2075799A/en
Application granted granted Critical
Publication of GB2075799B publication Critical patent/GB2075799B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/08—Trunked mobile radio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB8112972A 1980-04-28 1981-04-27 Cellular mobile radiotelephone system with fleet-calling arrangement for dispatch service Expired GB2075799B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/144,609 US4399555A (en) 1980-04-28 1980-04-28 Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service

Publications (2)

Publication Number Publication Date
GB2075799A GB2075799A (en) 1981-11-18
GB2075799B true GB2075799B (en) 1984-06-27

Family

ID=22509351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8112972A Expired GB2075799B (en) 1980-04-28 1981-04-27 Cellular mobile radiotelephone system with fleet-calling arrangement for dispatch service

Country Status (11)

Country Link
US (1) US4399555A (en)
JP (1) JPS56169945A (en)
AU (1) AU548559B2 (en)
CA (1) CA1166316A (en)
DE (1) DE3116656A1 (en)
FI (1) FI77554C (en)
FR (1) FR2481558A1 (en)
GB (1) GB2075799B (en)
NL (1) NL190683C (en)
NO (1) NO154617C (en)
SE (1) SE450863B (en)

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SE469771B (en) * 1990-11-27 1993-09-06 Leif Christer Ryden SAID THAT WITH THE help of a telephone exchange, we could offer a selective reconnection of a fixed subscriber device to a nearby mobile subscriber device
US5276442A (en) * 1991-02-22 1994-01-04 Ericsson Ge Mobile Communications Inc. Dynamic address allocation within RF trunking multisite switch
US5384776A (en) * 1991-02-22 1995-01-24 Erricsson Ge Mobile Communications Inc. Audio routing within trunked radio frequency multisite switch
US5239538A (en) * 1991-02-22 1993-08-24 Ericsson Ge Mobile Communications, Inc. Controller architecture for rf trunking distributed multisite switch
DE69225925T2 (en) * 1991-04-17 1998-10-22 Ericsson Telefon Ab L M Cellular communication system with integrated paging system
US5241537A (en) * 1991-06-04 1993-08-31 Ericsson Ge Mobile Communications, Inc. Conventional base station interface architecture for RF trunking multisite switch
US5481545A (en) * 1991-08-26 1996-01-02 Ericsson Inc. Conventional network interface for multisite RF trunking system
FI88986C (en) * 1991-10-03 1993-07-26 Telenokia Oy Procedure for conducting a group call in digital radio network
US5404355A (en) * 1992-10-05 1995-04-04 Ericsson Ge Mobile Communications, Inc. Method for transmitting broadcast information in a digital control channel
FI92365C (en) * 1993-01-26 1994-10-25 Nokia Telecommunications Oy Procedure, base station at a radio telephone system and radio telephone exchange to distribute voice calls for making conference calls between subscribers located in the service area of a number of exchanges
US6161016A (en) * 1993-05-21 2000-12-12 British Telecommunications Public Limited Company Broadcast channel seizure with allocated single traffic channel per occupied cell in a cellular system
SG47619A1 (en) * 1993-05-21 1998-04-17 British Telecomm Cellular radio systems
DE4335031A1 (en) * 1993-10-14 1995-04-20 Sel Alcatel Ag Mobile network and conference service facility therefor
DE4415734C1 (en) * 1994-05-04 1995-02-16 Siemens Ag Method for providing subscriber services
GB2290196B (en) * 1994-06-11 1997-12-24 Motorola Israel Ltd Trunking radio system and method of operation and radio unit with enhanced dispatch calling
SE503858C2 (en) * 1995-03-03 1996-09-23 Ericsson Telefon Ab L M Method and apparatus for connecting a connection in a telecommunications network
WO1997018540A1 (en) * 1995-11-13 1997-05-22 Motorola Inc. Method and apparatus for summoning police or security personnel for assistance in an emergency situation
US5784388A (en) * 1996-01-04 1998-07-21 Knox; Gregory D. Methods and apparatus for decoding control signals in dispatch trunked radio system
US5924032A (en) * 1996-09-24 1999-07-13 Nokia Mobile Phones Limited Mobile telephone having an improved probability of receiving an incoming call
US6021326A (en) * 1996-11-04 2000-02-01 Uniden America Corporation Trunked multi-site dispatch network for trunking radios
US5924041A (en) * 1996-11-25 1999-07-13 Ericsson Inc. Method and apparatus for providing a dispatch system in a cellular radiotelephone system
US6052599A (en) * 1997-01-30 2000-04-18 At & T Corp. Cellular communication system with multiple same frequency broadcasts in a cell
US6529486B1 (en) 1997-04-11 2003-03-04 Transcrypt International/E.F. Johnson Company Trunked radio repeater communication system
US6026296A (en) * 1997-04-30 2000-02-15 Motorola, Inc. Apparatus for providing dispatch service to an existing telephone network
US6684080B1 (en) 1997-05-28 2004-01-27 Transcrypt International/E. F. Johnson Company Trunked radio repeater communication system including home channel aliasing and call grouping
US6374115B1 (en) 1997-05-28 2002-04-16 Transcrypt International/E.F. Johnson Method and apparatus for trunked radio repeater communications with backwards compatibility
US6751468B1 (en) * 1999-05-26 2004-06-15 Bellsouth Intellectual Property Corporation Systems and methods for providing push to talk feature for wireless communication systems
US6138011A (en) * 1999-10-15 2000-10-24 Motorola, Inc. Method and apparatus for providing dispatch service to an existing telephone network
WO2001084861A1 (en) * 2000-04-28 2001-11-08 Hi-G-Tek Ltd. Apparatus and methods for cellular communication
DE602004004073T2 (en) 2003-01-21 2007-05-31 Research In Motion Ltd., Waterloo A method and apparatus for increasing the likelihood of successfully establishing emergency calls in a mobile station
US7043261B2 (en) * 2003-06-27 2006-05-09 Nokia Corporation System, mobile station and method for delivering services
US7353036B2 (en) * 2004-05-10 2008-04-01 Motorola, Inc. Push-to-talk reverse channel establishment
US7817274B2 (en) 2007-10-05 2010-10-19 Jingyun Zhang Compact spectrometer
US8345226B2 (en) * 2007-11-30 2013-01-01 Jingyun Zhang Spectrometers miniaturized for working with cellular phones and other portable electronic devices
KR101877392B1 (en) * 2011-10-18 2018-07-11 엘지전자 주식회사 Mobile terminal and operation method thereof

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US2894074A (en) * 1955-02-25 1959-07-07 Gen Dynamics Corp Telephone conference circuit
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US3065421A (en) * 1957-05-21 1962-11-20 John M Hart Radio-telephone communication system having means for automatic direct dispatch between mobile stations
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US4131849A (en) * 1976-10-21 1978-12-26 Motorola, Inc. Two-way mobile radio voice/data shared communications system
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Also Published As

Publication number Publication date
NL190683B (en) 1994-01-17
NL190683C (en) 1994-06-16
NO811414L (en) 1981-10-29
JPS56169945A (en) 1981-12-26
FI77554C (en) 1989-03-10
DE3116656A1 (en) 1982-02-04
AU6919081A (en) 1981-11-05
NO154617B (en) 1986-08-04
US4399555A (en) 1983-08-16
FI811287L (en) 1981-10-29
SE450863B (en) 1987-08-03
FR2481558B1 (en) 1984-04-20
FR2481558A1 (en) 1981-10-30
AU548559B2 (en) 1985-12-19
CA1166316A (en) 1984-04-24
SE8102441L (en) 1981-10-29
FI77554B (en) 1988-11-30
DE3116656C2 (en) 1993-07-29
NL8102066A (en) 1981-11-16
NO154617C (en) 1986-11-12
GB2075799A (en) 1981-11-18
JPS647706B2 (en) 1989-02-09

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010426